diff --git a/Rock.SendGrid/Communications/Transport/SendGridHttp.cs b/Rock.SendGrid/Communications/Transport/SendGridHttp.cs
index e45f640fea2..47197e02844 100644
--- a/Rock.SendGrid/Communications/Transport/SendGridHttp.cs
+++ b/Rock.SendGrid/Communications/Transport/SendGridHttp.cs
@@ -150,7 +150,10 @@ private SendGridMessage GetSendGridMessageFromRockEmailMessage( RockEmailMessage
             sendGridMessage.HtmlContent = rockEmailMessage.Message;
 
             // Communication record for tracking opens & clicks
-            sendGridMessage.CustomArgs = rockEmailMessage.MessageMetaData;
+            if ( rockEmailMessage.MessageMetaData != null && rockEmailMessage.MessageMetaData.Count > 0 )
+            {
+                sendGridMessage.CustomArgs = rockEmailMessage.MessageMetaData;
+            }
 
             if ( CanTrackOpens )
             {